Organizations

UH - Physics
AIP - SPS
NASA - JSC - Microgravity
  Fluids in Microgravity - Looks like good material for a potential research project.

Reference

Physics GRE Reference
nine planets (excellent planetary reference, good pictures)
HyperPhysics (excellent physics concept reference)
Eric Weisstein's World of Physics

News

PhysOrg
New Scientist

Interesting

UH Observatory
Imaging from Cassini Probe
evanescence
Superfluid

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